Classic Accessories Canvas Pontoon Boat Cover (Model A) Color: Grey Fits: 17'-20' Pontoon Boats with beam widths to 96" Weatherproof? Canvas Pontoon Boat Cover Rope attaches to rugged non-scratch D-rings-no grommets to pull out or scratch Adjustable elastic cord sewn along entire bottom hem, not just the end and an adjustable transom flap for a superb fit